If the crisis characterizing the second stage of development is positively resolved, the virtue of _____ emerges

Schizophrenia is thought to occur when a person has an imbalance within this particular neurotransmitter system:

a. serotonin b. endorphins c. dopamine d. acetylcholine e. GABA

Which of the following is NOT one of the four categories of factors that can influence the effectiveness of attempts to change people's attitudes?

a. the communicator b. the audience c. the motive d. the message itself